The patient was a 66-year-old Caucasian man, who pre- sented for a neuropsychological evaluation performed at the Centre of Alzheimer’s Evaluation Unit (AEU), with a Mini-Mental State Examination (MMSE) value of 18/30. The neuropsychological final report, as authentically quoted and faithfully pursuant to the description of the AEU doctor, related the following: ‘The present condi- tion offers a picture of poor collaboration on the part of the patient who shows attention loss while performing the test and needs to be reminded about the given indi- cations. Remarkable language worsening with reduced capacity of expression and comprehension that limit his autonomy. Worsening of executive functions with diffi- culty in planning and performing even simple activities, difficulty in solving problems. This picture defines a sig- nificant loss in instrumental activities for which assist- ance is needed. Treatment with anticholinesterasics and antioxidants must be continued’ (Table 1). For the evalu- ation of occlusal muscle activity, bilateral electromyog- raphy (EMG) of the masseter muscle was recorded using surface Ag/AgCl electrodes. In accordance with dental diagnostic protocols [9,10], a preliminary evaluation of the patient’s myoelectric activity in habitual dental